Self-doped polymers

Details Self-doped polymers Self-doped polymers

C - Chemistry, Metallurgy

07

D

402/346, 402/368

C07D 333/32 (2006.01) C08F 26/06 (2006.01) C08F 34/00 (2006.01) C08G 61/12 (2006.01) G02F 1/15 (2006.01) H01B 1/12 (2006.01) H01M 4/60 (2006.01)

Patent

CA 1277989

SELF-DOPED POLYMERS Abstract Self-doped conducting polymers are provided which have along their backbone a pi-electron conjugated system comprising a plurality of monomer units, between about 0.01 and 100 mole % of the units having covalently linked thereto at least one Bronsted acid group. Examples of such polymers are represented by the following structural Formulas: Image Formula I Image Formula II wherein Ht is a heterogroup, Y1, Y2, Y3 and Y4 are independently selected from the group consisting of hydrogen and -R-X-M, R is a linear or branched alkyl, ether, ester or amide moiety having between 1 and about 10 carbon atoms, x is a Bronsted acid anion, and M is an atom which when oxidized yields a positive monovalent counterion. The invention also encompassses the aforementioned monomers themselves as well as the conducting, zwitterionic form of the polymers, i.e., wherein the -R-X-M moieties have been ionized to yield -R-X species and in which a positive charge is distributed along the polymer backbone. Also included within the scope of the invention are electrodes comprising one or more of the novel polymers.

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